Sinclair Broadcasting and Horizon Media invested an undisclosed sum in mobile video technology company Burst, which had previously raised $5.5m.

US-based mobile video technology platform developer Burst received an undisclosed amount of funding today from media services agency Horizon Media and broadcaster Sinclair Broadcast Group.

Burst has built a platform that media companies can use to capture, curate, broadcast and monetise user-generated and controlled video content online. Mobile videos can be uploaded, curated and published on television, social streams and digital media sources quickly and simply.

Sinclair, also a customer of Burst, made its investment through Sinclair Digital Ventures, the…